Talvez deva tentar algumas variações de ortografia:
comparison lowland » comparison land (Expandir a Pesquisa), comparison long (Expandir a Pesquisa), comparison low (Expandir a Pesquisa)
way comparison » key comparison (Expandir a Pesquisa), assay comparison (Expandir a Pesquisa)
nat2 compared » a2 compared (Expandir a Pesquisa), safb2 compared (Expandir a Pesquisa), slit2 compared (Expandir a Pesquisa)
compared than » compared can (Expandir a Pesquisa), compared three (Expandir a Pesquisa), complex than (Expandir a Pesquisa)
rats compared » rates compared (Expandir a Pesquisa)
lowland red » lowland area (Expandir a Pesquisa), lowland tree (Expandir a Pesquisa), lowland river (Expandir a Pesquisa)
j rats » j rath (Expandir a Pesquisa), j raes (Expandir a Pesquisa), rij rats (Expandir a Pesquisa)
j way » _ way (Expandir a Pesquisa), a way (Expandir a Pesquisa), 2 way (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( 2 nat2 compared than non ) or ((( j way comparison lowland red ) or ( j rats compared _ new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat2 compared than non ) OR ((( j way comparison lowland red ) OR ( j rats compared _ new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat2 compared than non ) or ((( j way comparison lowland red ) or ( j rats compared _ new ))))*.